locomotivecms/custom_fields — pull request #12 by markwpearce (2012-07-03 18:25:22+00:00)
Title: Added Tags as a new kind of custom field!

Entries with a tag_set custom field get a many-to-many relationship with Tags

Tags can be set via comma-delmited strings, or via an array of strings

An individual Tag has an inverse relationship to the entities that include it

Entities can be grouped by tag (similar to select fields)